'Clip window' diaporamas de présentation

Computer Graphics

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CS U540 Computer Graphics

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2D Viewing & Clipping

2D Viewing & Clipping. ??? ??? 2005. 6. Contents. The viewing pipeline Viewing coordinate reference frame Window-to-viewport coordinate transformation Clipping operations Point clipping Line clipping. The viewing pipeline [1/5]. window a world-coordinate area selected for display

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Point clipping : Remove points outside window.

P 3 (x 3 ,y 3 ). YWmax. P(x,y). Point clipping : Remove points outside window. A point is either entirely inside the region or not. A general point p(x,y) can be saved for display of clip window (rectangular), if the following inequalities are satisfied:

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